Document holder



FIG. 1 is a perspective view of a document holder showing my new design;

FIG. 2 is a frontal view thereof;

FIG. 3 is an end view thereof with the opposite end view being a mirror image thereof;

FIG. 4 is a side view thereof with the opposite side view being a mirror image thereof; and,

FIG. 5 is a rear view thereof.

The broken lines in the drawings represent environmental matter and form no part of the claimed design. 

The ornamental design for a document holder, as shown and described. 